Enhanced cyclability of rechargeable Li-O2 batteries enabled by boron carbide

被引：14
|
作者：
Shu, Chaozhu [1 ,2 ]
Huang, Rui [1 ]
Wang, Jia [1 ]
Su, Dangsheng [1 ]
机构：
[1] Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
[2] Chengdu Univ Technol, Coll Mat & Chem & Chem Engn, Chengdu 610059, Peoples R China
来源：
RSC ADVANCES | 2015年 / 5卷 / 125期
关键词：
FUEL-CELL ELECTROCATALYSTS; LI-AIR BATTERIES; ELECTROLYTE; EVOLUTION; NANOPARTICLES; OXIDATION;
D O I：
10.1039/c5ra24880a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A Li-O-2 battery with a boron carbide (B4C) based electrode presented a discharge-recharge voltage gap of 1.11 V, which is 550 mV smaller than that of a Super P based Li-O-2 battery. The B4C based electrode also enables much more enhanced cyclability of over 160 cycles at a current rate of 1000 mA g(-1) (0.3mA cm(-2)). The improved round-trip efficiency and cyclability is attributed to the high electrocatalytic activity and excellent stability of B4C.
引用
收藏
页码：103019 / 103022
页数：4
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